/Engine/Source/Runtime/MovieSceneTracks/Public/Tracks/MovieSceneSkeletalAnimationTrack.h
Adds a new animation to this track on the next available/non-overlapping row
virtual [UMovieSceneSection](API\Runtime\MovieScene\UMovieSceneSection) * AddNewAnimation ( [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) KeyTime, class [UAnimSequenceBase](API\Runtime\Engine\Animation\UAnimSequenceBase) * AnimSequence )